Spray head



FIG. 1 is a front, left-side perspective view of a spray head showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right-side elevational view thereof, the left side view being mirror symmetrical;

FIG. 5 is a top view thereof; and,

FIG. 6 is a rear view thereof. 

The ornamental design for a spray head, as shown and described. 